JPS4910151A - - Google Patents
Info
- Publication number
- JPS4910151A JPS4910151A JP48041763A JP4176373A JPS4910151A JP S4910151 A JPS4910151 A JP S4910151A JP 48041763 A JP48041763 A JP 48041763A JP 4176373 A JP4176373 A JP 4176373A JP S4910151 A JPS4910151 A JP S4910151A
- Authority
- JP
- Japan
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
- B21C37/00—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape
- B21C37/06—Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for; Manufacture of tubes of special shape of tubes or metal hoses; Combined procedures for making tubes, e.g. for making multi-wall tubes
- B21C37/15—Making tubes of special shape; Making tube fittings
- B21C37/16—Making tubes with varying diameter in longitudinal direction
- B21C37/18—Making tubes with varying diameter in longitudinal direction conical tubes
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19722217441 DE2217441C (en) | 1972-04-12 | Device for tapering long workpieces with a circular cross-section |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS4910151A true JPS4910151A (en) | 1974-01-29 |
| JPS586586B2 JPS586586B2 (en) | 1983-02-05 |
Family
ID=5841642
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP48041763A Expired JPS586586B2 (en) | 1972-04-12 | 1973-04-12 | Enkei Oudanmen O Yuusuru Hosonagaikousakubutsuogenkeisurusouchi |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3802240A (en) |
| JP (1) | JPS586586B2 (en) |
| CA (1) | CA982880A (en) |
| CH (1) | CH575786A5 (en) |
| FR (1) | FR2179992B1 (en) |
| GB (1) | GB1412845A (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04181U (en) * | 1990-04-13 | 1992-01-06 | ||
| US5657922A (en) * | 1995-07-14 | 1997-08-19 | Univ Oklahoma State | Machine and process for forming tapered or cylindrical utility poles from flat sheet metal |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US331574A (en) * | 1885-12-01 | Machine for iviaklng taper tu | ||
| GB244420A (en) * | 1924-12-10 | 1926-04-15 | James Henderson Meiklejohn | Improvements in adjustable drawing dies |
| US3240045A (en) * | 1962-10-15 | 1966-03-15 | Prec Sheet Metal Inc | Arrangement for contouring tubes |
| DE1285433B (en) * | 1964-10-14 | 1968-12-19 | Wieland Werke Ag | Device for tapering elongated workpieces with a circular cross-section |
| US3503238A (en) * | 1966-05-05 | 1970-03-31 | Rotary Profile Anstalt | Manufacture of tubes |
| US3431764A (en) * | 1967-03-10 | 1969-03-11 | North American Rockwell | Tube tapering roller chuck |
| FR1572963A (en) * | 1967-07-07 | 1969-07-04 | ||
| US3517534A (en) * | 1969-07-16 | 1970-06-30 | Koehring Co | Apparatus for working tubes |
-
1973
- 1973-03-19 CH CH398173A patent/CH575786A5/xx not_active IP Right Cessation
- 1973-04-05 GB GB1642173A patent/GB1412845A/en not_active Expired
- 1973-04-06 US US00348708A patent/US3802240A/en not_active Expired - Lifetime
- 1973-04-11 CA CA168,456A patent/CA982880A/en not_active Expired
- 1973-04-11 FR FR7313109A patent/FR2179992B1/fr not_active Expired
- 1973-04-12 JP JP48041763A patent/JPS586586B2/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| FR2179992A1 (en) | 1973-11-23 |
| JPS586586B2 (en) | 1983-02-05 |
| CH575786A5 (en) | 1976-05-31 |
| DE2217441A1 (en) | 1972-10-26 |
| CA982880A (en) | 1976-02-03 |
| GB1412845A (en) | 1975-11-05 |
| US3802240A (en) | 1974-04-09 |
| FR2179992B1 (en) | 1978-01-06 |
| DE2217441B2 (en) | 1972-10-26 |